Section 1 Specifications
Specifications are subject to change without notice.
General specifications
Specification Details
Dimensions (W x D x H) 42 x 31.5 x 18 cm (16.5 x 12.5 x 7 in.)
Enclosure rating IP62
Weight 11.3 kg (25 lbs)
Installation environment Indoor
Mount Wall
Pollution degree/installation
category
2/II
Protection class I
Altitude Maximum 2000 m (6562 ft)
Light source Class 1 LED (light emitting diode) with peak wavelength of
610 nm. Estimated 50,000 hours minimum life; hard water
and soft water indicator.
Detector Silicon photo detector
Optical path length 8.89 mm (0.35 in.)
Time delay One reading above the trip point is necessary to trigger a
soft-to-hard water alarm transition. One reading below the
trip point is necessary to trigger a hard-to-soft water alarm
transition.
Trip point 0.3, 1, 2, 5, 10, 20, 50 and 100 mg/L. Refer to Trip point
specifications on page 4.
Reagents Buffer and indicator solution. 500 mL of each reagent every
2 months.
Reagent shelf life 1 year
Power requirements 115/230 VAC, 70 VA, 50/60 Hz, 1.25 A Fuse
Electrical connections Two 3-wire barrier terminal blocks. Wire range: 18–12 AWG
(0.75–1.0 mm
2
)
Hard water alarm relay SPDT relay, set to on when the hard water indicator is on.
The alarm can be disabled.
Contact rating 5 A resistive at 100–240 VAC
Operating temperature 5 to 40 °C (32 to 104 °F)
Storage temperature -40 to 60 °C (-40 to 140 °F)
Operating humidity Relative humidity: 5–95% at different temperatures, non-
condensing
Sampling rate New sample: every 1.9 minutes ±5% at 60 Hz; 2.3 minutes
±5% at 50 Hz
English 3
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